291228678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1244567}}^1$

素因数の和:1244588

約数の個数: 24

約数和(自身を含む): 679534128

約数和(自身を除く): 388305450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1244567, 2489134, 3733701, 7467402, 11201103, 16179371, 22402206, 32358742, 48538113, 97076226, 145614339, 291228678]

約数ペア:

[(1, 291228678), (2, 145614339), (3, 97076226), (6, 48538113), (9, 32358742), (13, 22402206), (18, 16179371), (26, 11201103), (39, 7467402), (78, 3733701), (117, 2489134), (234, 1244567)]